Source: https://www.irishtimes.com/sport/soccer/chelsea-gazump-spurs-signing-of-willian-1.1504020?mode=sample&auth-failed=1&pw-origin=https%3A%2F%2Fwww.irishtimes.com%2Fsport%2Fsoccer%2Fchelsea-gazump-spurs-signing-of-willian-1.1504020